*{
    margin: 0;
    padding: 0;
}

@import "mixin/juzhong-extend.less";
#wrap{
    position: relative;
    width: 300px;
    height: 300px;
    border: 1px solid;
    margin: 0 auto;
    .inner{
        &:extend(.juzhong all);
        &:nth-child(1){
           width: 100px;
           height: 100px;
           background: pink;
        }
        &:nth-child(2){
           width: 50px;
           height: 50px;
           background: yellow;
        }
    }
}
